Home / 994,851.20-1,492,276.80-640,265.60

Finding the Fourth Proportional to 994,851.20, 1,492,276.80 and 640,265.60

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Solution

The fourth proportional to 994,851.20, 1,492,276.80 and 640,265.60 is: 960,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,851.20 : 1,492,276.80 = 640,265.60 : x
  2. Step 2: Convert to fraction form
    994,851.20/1,492,276.80 = 640,265.60/x
  3. Step 3: Cross multiply
    994,851.20x = 1,492,276.80 × 640,265.60
  4. Step 4: Simplify right side
    994,851.20x = 955,453,500,718.08
  5. Step 5: Solve for x
    x = 955,453,500,718.08/994,851.20
  6. Step 6: Final answer
    x = 960,398.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.